A.對(duì)中介計(jì)算機(jī)發(fā)動(dòng)集中攻擊以將同步假消息交換指向指定的目標(biāo)站點(diǎn)
B.對(duì)中介計(jì)算機(jī)發(fā)動(dòng)本地攻擊以將同步假消息交換指向指定的目標(biāo)站點(diǎn)
C.對(duì)主計(jì)算機(jī)發(fā)動(dòng)集中攻擊以將同步假消息交換指向多個(gè)目標(biāo)站點(diǎn)
D.對(duì)中介計(jì)算機(jī)發(fā)動(dòng)本地攻擊以將交錯(cuò)假消息交換指向指定的目標(biāo)站點(diǎn)